; ; This file is checked for validity before execution is attempted. ; Note that validity is checking the correctness of format, NOT to ; insure that intended logic is correct. File format is described ; below and is essentially a minimal implementation of .INF ; section/directive format. ; ; ; ; [GUID1] ; DIRECTIVE="VALUE" ; . ; . ; . ; DIRECTIVE="VALUE" ; ; ..... ; ; [GUIDN] ; DIRECTIVE="VALUE" ; . ; . ; . ; DIRECTIVE="VALUE" ; ; ; ; GUID of policy to be checked against BIOS for removal, if it is to be ; removed the trailing directives until the next GUID or EOF are executed. ; Possible directives are service, process, file, registryKey and are each described ; below. ; ; ::NOTE:: There is no allowed whitespace on either side of the equals sign. ; ::NOTE:: Each value must be enclosed by quotations to mark begining and end. ; ; service="VALUE" ; This directive will employ the service control manager to stop ; the service whose name is provided as "VALUE". Said service ; will then be uninstalled and deleted from the file system. ; ; process="VALUE" ; This directive will kill and delete the file whose name is provided as ; "VALUE" from the file system. ; ; file="VALUE" ; This directive will delete the file whose name is provided as ; "VALUE" from the file system. ; ; registryKey="VALUE" ; This directive will delete the registry node whose name is provided as ; "VALUE" as well as all sub nodes from the registry. ; ; ; Some values require substrings that are dynamically obtained from the platform, ; a means of doing so is outlined below. ; ; %WINDIR% ; When found in a value string it will be replaced with the windows directory of the ; running system (e.g. X:\Windows). ; ; %SYS32DIR% | %SYSXXDIR% ; When found in a value string it will be replaced with the System32 directory of the ; running system (e.g. X:\Windows\System32 OR X:\Windows\SysWOW64). ; NOTE %SYSXXDIR% is resolved to %SYS32DIR% on 32 bit machines. ; NOTE %SYSXXDIR% is resolved to ; ; %HKLM% | %HKCC% | %HKCR% | %HKU% | %HKCU% | %HKPD% ; Indicates registry root of HKLM. ; ; %*% ; When found in a value string it will be replaced with the FIRST AND ONLY subkey ; below the given the key prepending the %*%. ; ; ; DptfPolicyCritical ; [97C68AE7-15FA-499C-B8C9-5DA81D606E0A] registryKey="%HKLM%\SYSTEM\CurrentControlSet\Enum\ACPI\INT3400\%*%\Device Parameters\{97C68AE7-15FA-499C-B8C9-5DA81D606E0A}\" dependency="64568CCD-6597-4BFC-B9D6-9D33854013CE" service="%SYS32DIR%\DptfPolicyCriticalService.exe" ; ; DptfPolicyActive ; [3A95C389-E4B8-4629-A526-C52C88626BAE] registryKey="%HKLM%\SYSTEM\CurrentControlSet\Enum\ACPI\INT3400\%*%\Device Parameters\{3A95C389-E4B8-4629-A526-C52C88626BAE}\" ; ; DptfPolicyPassive ; [42A441D6-AE6A-462B-A84B-4A8CE79027D3] registryKey="%HKLM%\SYSTEM\CurrentControlSet\Enum\ACPI\INT3400\%*%\Device Parameters\{42A441D6-AE6A-462B-A84B-4A8CE79027D3}\" ; ; DptfPolicyCoolingMode ; [16CAF1B7-DD38-40ED-B1C1-1B8A1913D531] registryKey="%HKLM%\SYSTEM\CurrentControlSet\Enum\ACPI\INT3400\%*%\Device Parameters\{16CAF1B7-DD38-40ED-B1C1-1B8A1913D531}\" registryKey="%HKLM%\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\48df9d60-4f68-11dc-8314-0800200c9a66\4a44b800-4f72-11dc-8314-0800200c9a66\" registryKey="%HKLM%\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\48df9d60-4f68-11dc-8314-0800200c9a66\63c39116-4f72-11dc-8314-0800200c9a66\" ; ; DptfPolicyLPM ; [B9455B06-7949-40C6-ABF2-363A70C8706C] process="%SYS32DIR%\DptfPolicyLpmServiceHelper.exe" service="%SYS32DIR%\DptfPolicyLpmService.exe" file="%SYS32DIR%\DptfPolicyLpmDll.dll" registryKey="%HKLM%\SYSTEM\CurrentControlSet\Enum\ACPI\INT3400\%*%\Device Parameters\{B9455B06-7949-40C6-ABF2-363A70C8706C}\" registryKey="%HKLM%\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\48df9d60-4f68-11dc-8314-0800200c9a66\b29c73e0-1a8b-46fd-b4ae-1ce5a3d6d871\" ; ; DptfPolicyConfigTDP ; [E145970A-E4C1-4D73-900E-C9C5A69DD067] service="%SYS32DIR%\DptfPolicyConfigTDPService.exe" file="%SYS32DIR%\DptfPolicyConfigTDPDll.dll" registryKey="%HKLM%\SYSTEM\CurrentControlSet\Enum\ACPI\INT3400\%*%\Device Parameters\{E145970A-E4C1-4D73-900E-C9C5A69DD067}\" registryKey="%HKLM%\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\48df9d60-4f68-11dc-8314-0800200c9a66\07029cd8-4664-4698-95d8-43b2e9666596\" ; ; DptfPolicyDBPT ; [64568CCD-6597-4BFC-B9D6-9D33854013CE] registryKey="%HKLM%\SYSTEM\CurrentControlSet\Enum\ACPI\INT3400\%*%\Device Parameters\{64568CCD-6597-4BFC-B9D6-9D33854013CE}\"Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.